#include<stdio.h>

int AddToTarget(int start,int end)
{
  int i=start;
  int sum=0;
  for(;i<=end;i++)
  {
    sum+=i;
  }
  return sum;
}

int main()
{
printf("run begin...\n");
int result=0;
result=AddToTarget(1,100);

printf("result:%d\n",result);  
printf("rn end...\n");

}
